#include <sys/socket.h>
#include <arpa/inet.h>
#include <string.h>
+#include <sys/utsname.h>
#include "server.h"
#include "util.h"
+#include "iface.h"
+
+static gint timeval_cmp(const GTimeVal *a, const GTimeVal *b) {
+ g_assert(a);
+ g_assert(b);
+
+ if (a->tv_sec < b->tv_sec)
+ return -1;
+
+ if (a->tv_sec > b->tv_sec)
+ return 1;
+
+ if (a->tv_usec < b->tv_usec)
+ return -1;
+
+ if (a->tv_usec > b->tv_usec)
+ return 1;
+
+ return 0;
+}
+
+static gint query_job_instance_compare(gpointer a, gpointer b) {
+ flxQueryJobInstance *j = a, *k = b;
+ g_assert(j);
+ g_assert(k);
+
+ return timeval_cmp(&j->job->time, &k->job->time);
+}
+
+static gint response_job_instance_compare(gpointer a, gpointer b) {
+ flxResponseJobInstance *j = a, *k = b;
+ g_assert(j);
+ g_assert(k);
+
+ return timeval_cmp(&j->job->time, &k->job->time);
+}
flxServer *flx_server_new(GMainContext *c) {
+ gchar *hn, *e, *hinfo;
+ struct utsname utsname;
+ gint length;
+ flxAddress a;
flxServer *s = g_new(flxServer, 1);
if (c) {
s->rrset_by_name = g_hash_table_new(g_str_hash, g_str_equal);
s->entries = NULL;
- s->monitor = flx_interface_monitor_new(s->context);
+ s->query_job_queue = flx_prio_queue_new(query_job_instance_compare);
+ s->response_job_queue = flx_prio_queue_new(response_job_instance_compare);
+
+ s->monitor = flx_interface_monitor_new(s);
+
+ /* Get host name */
+ hn = flx_get_host_name();
+ if ((e = strchr(hn, '.')))
+ *e = 0;
+
+ s->hostname = g_strdup_printf("%s.local.", hn);
+ g_free(hn);
+
+ /* Fill in HINFO rr */
+ s->hinfo_rr_id = flx_server_get_next_id(s);
+
+ uname(&utsname);
+ hinfo = g_strdup_printf("%s%c%s%n", g_strup(utsname.machine), 0, g_strup(utsname.sysname), &length);
+ flx_server_add(s, s->hinfo_rr_id, 0, AF_UNSPEC,
+ s->hostname, FLX_DNS_TYPE_HINFO, hinfo, length+1);
+
+
+ /* Add localhost entries */
+ flx_address_parse("127.0.0.1", AF_INET, &a);
+ flx_server_add_address(s, 0, 0, AF_UNSPEC, "localhost", &a);
+
+ flx_address_parse("::1", AF_INET6, &a);
+ flx_server_add_address(s, 0, 0, AF_UNSPEC, "ip6-localhost", &a);
+
return s;
}
void flx_server_free(flxServer* s) {
g_assert(s);
- flx_interface_monitor_free(s->monitor);
+ while (s->query_job_queue->last)
+ flx_server_remove_query_job_instance(s, s->query_job_queue->last->data);
+
+ flx_prio_queue_free(s->query_job_queue);
+ flx_prio_queue_free(s->response_job_queue);
+ flx_interface_monitor_free(s->monitor);
+
flx_server_remove(s, 0);
g_hash_table_destroy(s->rrset_by_id);
g_hash_table_destroy(s->rrset_by_name);
g_main_context_unref(s->context);
+
+ g_free(s->hostname);
g_free(s);
}
return s->current_id++;
}
-void flx_server_add_rr(flxServer *s, gint id, gint interface, const flxRecord *rr) {
+void flx_server_add_rr(flxServer *s, gint id, gint interface, guchar protocol, const flxRecord *rr) {
flxEntry *e;
g_assert(s);
g_assert(rr);
flx_record_copy_normalize(&e->rr, rr);
e->id = id;
e->interface = interface;
+ e->protocol = protocol;
/* Insert into linked list */
e->prev = NULL;
g_hash_table_replace(s->rrset_by_name, e->rr.name, e);
}
-void flx_server_add(flxServer *s, gint id, gint interface, const gchar *name, guint16 type, gconstpointer data, guint size) {
+void flx_server_add(flxServer *s, gint id, gint interface, guchar protocol, const gchar *name, guint16 type, gconstpointer data, guint size) {
flxRecord rr;
g_assert(s);
g_assert(name);
rr.data = (gpointer) data;
rr.size = size;
rr.ttl = FLX_DEFAULT_TTL;
- flx_server_add_rr(s, id, interface, &rr);
+ flx_server_add_rr(s, id, interface, protocol, &rr);
}
const flxRecord *flx_server_iterate(flxServer *s, gint id, void **state) {
for (e = s->entries; e; e = e->next) {
char t[256];
- fprintf(f, "%i: %-40s %-8s %-8s ", e->interface, e->rr.name, dns_class_to_string(e->rr.class), dns_type_to_string(e->rr.type));
+ fprintf(f, "%i.%u: %-40s %-8s %-8s ", e->interface, e->protocol, e->rr.name, dns_class_to_string(e->rr.class), dns_type_to_string(e->rr.type));
t[0] = 0;
snprintf(t, sizeof(t), "'%s' '%s'", (char*) e->rr.data, s2);
}
+ } else if (e->rr.type == FLX_DNS_TYPE_TXT) {
+ size_t l;
+
+ l = e->rr.size;
+ if (l > sizeof(t)-1)
+ l = sizeof(t)-1;
+
+ memcpy(t, e->rr.data, l);
+ t[l] = 0;
}
}
}
}
-void flx_server_add_address(flxServer *s, gint id, gint interface, const gchar *name, flxAddress *a) {
+void flx_server_add_address(flxServer *s, gint id, gint interface, guchar protocol, const gchar *name, flxAddress *a) {
gchar *n;
g_assert(s);
- g_assert(name);
g_assert(a);
- n = flx_normalize_name(name);
+ n = flx_normalize_name(name ? name : s->hostname);
if (a->family == AF_INET) {
gchar *r;
- flx_server_add(s, id, interface, n, FLX_DNS_TYPE_A, &a->ipv4, sizeof(a->ipv4));
+ flx_server_add(s, id, interface, protocol, n, FLX_DNS_TYPE_A, &a->ipv4, sizeof(a->ipv4));
r = flx_reverse_lookup_name_ipv4(&a->ipv4);
g_assert(r);
- flx_server_add(s, id, interface, r, FLX_DNS_TYPE_PTR, n, strlen(n)+1);
+ flx_server_add(s, id, interface, protocol, r, FLX_DNS_TYPE_PTR, n, strlen(n)+1);
g_free(r);
} else {
gchar *r;
- flx_server_add(s, id, interface, n, FLX_DNS_TYPE_AAAA, &a->ipv6, sizeof(a->ipv6));
+ flx_server_add(s, id, interface, protocol, n, FLX_DNS_TYPE_AAAA, &a->ipv6, sizeof(a->ipv6));
r = flx_reverse_lookup_name_ipv6_arpa(&a->ipv6);
g_assert(r);
- flx_server_add(s, id, interface, r, FLX_DNS_TYPE_PTR, n, strlen(n)+1);
+ flx_server_add(s, id, interface, protocol, r, FLX_DNS_TYPE_PTR, n, strlen(n)+1);
g_free(r);
r = flx_reverse_lookup_name_ipv6_int(&a->ipv6);
g_assert(r);
- flx_server_add(s, id, interface, r, FLX_DNS_TYPE_PTR, n, strlen(n)+1);
+ flx_server_add(s, id, interface, protocol, r, FLX_DNS_TYPE_PTR, n, strlen(n)+1);
g_free(r);
}
g_free(n);
}
+
+void flx_server_add_text(flxServer *s, gint id, gint interface, guchar protocol, const gchar *name, const gchar *text) {
+ gchar *n;
+ g_assert(s);
+ g_assert(text);
+
+ n = flx_normalize_name(name ? name : s->hostname);
+ flx_server_add(s, id, interface, protocol, n, FLX_DNS_TYPE_TXT, text, strlen(text));
+ g_free(n);
+}
+
+
+flxQueryJob* flx_query_job_new(void) {
+ flxQueryJob *job = g_new(flxQueryJob, 1);
+ job->query.name = NULL;
+ job->query.class = 0;
+ job->query.type = 0;
+ job->ref = 1;
+ job->time.tv_sec = 0;
+ job->time.tv_usec = 0;
+ return job;
+}
+
+flxQueryJob* flx_query_job_ref(flxQueryJob *job) {
+ g_assert(job);
+ g_assert(job->ref >= 1);
+ job->ref++;
+ return job;
+}
+
+void flx_query_job_unref(flxQueryJob *job) {
+ g_assert(job);
+ g_assert(job->ref >= 1);
+ if (!(--job->ref))
+ g_free(job);
+}
+
+static gboolean query_job_exists(flxServer *s, gint interface, guchar protocol, flxQuery *q) {
+ flxPrioQueueNode *n;
+ g_assert(s);
+ g_assert(q);
+
+ for (n = s->query_job_queue->root; n; n = n->next)
+ if (flx_query_equal(&((flxQueryJobInstance*) n->data)->job->query, q))
+ return TRUE;
+
+ return FALSE;
+}
+
+static void post_query_job(flxServer *s, gint interface, guchar protocol, flxQueryJob *job) {
+ g_assert(s);
+ g_assert(job);
+
+ if (interface <= 0) {
+ const flxInterface *i;
+
+ for (i = flx_interface_monitor_get_first(s->monitor); i; i = i->next)
+ post_query_job(s, i->index, protocol, job);
+ } else if (protocol == AF_UNSPEC) {
+ post_query_job(s, interface, AF_INET, job);
+ post_query_job(s, interface, AF_INET6, job);
+ } else {
+ flxQueryJobInstance *i;
+
+ if (query_job_exists(s, interface, protocol, &job->query))
+ return;
+
+ i = g_new(flxQueryJobInstance, 1);
+ i->job = flx_query_job_ref(job);
+ i->interface = interface;
+ i->protocol = protocol;
+ i->node = flx_prio_queue_put(s->query_job_queue, i);
+ }
+}
+
+void flx_server_post_query_job(flxServer *s, gint interface, guchar protocol, const GTimeVal *tv, const flxQuery *q) {
+ flxQueryJob *job;
+ g_assert(s);
+ g_assert(q);
+
+ job = flx_query_job_new();
+ job->query.name = g_strdup(q->name);
+ job->query.class = q->class;
+ job->query.type = q->type;
+ if (tv)
+ job->time = *tv;
+ post_query_job(s, interface, protocol, job);
+}
+
+void flx_server_drop_query_job(flxServer *s, gint interface, guchar protocol, const flxQuery *q) {
+ flxPrioQueueNode *n, *next;
+ g_assert(s);
+ g_assert(interface > 0);
+ g_assert(protocol != AF_UNSPEC);
+ g_assert(q);
+
+ for (n = s->query_job_queue->root; n; n = next) {
+ next = n->next;
+
+ if (flx_query_equal(&((flxQueryJobInstance*) n->data)->job->query, q))
+ flx_server_remove_query_job_instance(s, n->data);
+ }
+}
+
+void flx_server_remove_query_job_instance(flxServer *s, flxQueryJobInstance *i) {
+ g_assert(s);
+ g_assert(i);
+ g_assert(i->node);
+
+ flx_prio_queue_remove(s->query_job_queue, i->node);
+ flx_query_job_unref(i->job);
+ g_free(i);
+}
+
+gboolean flx_query_equal(const flxQuery *a, const flxQuery *b) {
+ return strcmp(a->name, b->name) == 0 && a->type == b->type && a->class == b->class;
+}
+
projects / catta / blobdiff